<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
<script>
    // class Person {
    //    
    // }
    function Person() {
        
    }
    var person = new Person();
    console.log(person);
    console.log(Person.prototype);
    console.log(Person.constructor);
</script>
</html>